Optical sensors are used for many different tasks, including sensing distance, color, ambient light, and even pressure. Test your knowledge with our quiz on optical sensors.
To earn the Optical Sensors Badge, score 100% on the quiz and leave your feedback on the quiz as a comment.
Quiz Giveaway:
If you attained 100% on the quiz, you could win one of five 10-piece Wiha screwdriver set. See Terms & Conditions below.